Riding the Monocog again today I once again thought that it would be nice
to remove at least 10 mm from the present 168 mm Q of the Truvativ crank
which has 15 mm right and 22.5 mm left clearance; I need 5 mm per side at
most, so could theoretically reduce Q to just over 140 mm on this frame,
tho' I'd be happy to reduce it below 160 mm. 168 mm q is rideable, but
trying to spin the 65" gear fast with the longer 175 mm arms emphasizes the
width.

At any rate, would like to find a small bcd crank with less flare for which
32 t rings are not too hard to find -- 32 happens to work well with a 15 or
16 t cog and my wheels in this frame. I am only familiar with 110, 130, and
144 bcds, so I'll need instruction on what to avoid as well as what to
seek. I think my Truvativ has a 104 mm bcd as the distance between adjacent
bolts is about 73 mm. 104 mm bcd cranks and rings seem to be popular BMX
components, no? They are cheap. What are good makes and models, with a
premium on (in descending order of importance) Q, quality, price, color
(black first, silver second, could use red)?

For used, not interested in very high dollar -- can move to 110 bcd if need
be with larger ring and cog; but interested to hear what you have to offer.

Also interested in 2-piece cranksets if 32 t ring and low Q as described,
and tolerably durable bearing system for very dusty and gritty surfaces.

Thanks.

-- 

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Patrick Moore
Alburquerque, Nuevo Mexico, Etats Unis d'Amerique, Orbis Terrarum

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